If I'm playing a Catholic faction .. the Pope, with the Sicilians a close second. I'm playing a normal conquest with the English .. good trade, 8-9 provinces, eliminated the French after their excommunication with 3-4 crusades I had readied just in case , allied with all major Christians factions, when Italians attack the Pope . I'm like ... so.. let's save the Pope and get the rich Italians Provinces in the process ... beat them back , took Venice Genoa and the province in between (can't remember the name atm), Sicilians even helped with a nice naval war ... then some years later, the Pope asked for a crusade agains the Egyptians (who were in Constantinople .. damn Byz .... ) I send a nice 3k crusade, gone up to 5k after sucking up good troops from the Italians and HRE and I'm besieging the Citadel .... when the Pope attack my boats, exco and invade me in the same turn, Sicilians get in the war on the Pope side's ...